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Hodgdon: Retumbo, 8 lb
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: RET8
Overview
Built for large, overbored magnum cartridges, this extruded powder is intended for shooters loading rounds such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, and 30-378 Weatherby Magnum. It is described as an Extreme Powder, making it a practical choice for big game hunting in a wide range of conditions. The product is offered in an 8 lb container and is subject to hazmat restrictions, so legality should be checked before purchase.
Why Hunters Choose the Hodgdon
Very Large
Overbored magnum cartridges like 7mm
Magnum Extruded
Powder format suits large-capacity cartridge
Advertised Add
40-100 fps more velocity versus
Extreme Powder
Designation supports big game hunting
Offered 8
Lb package for extended loading
Key Features
- Magnum, extruded powder designed for very large overbored cartridges.
- Suitable for cartridges such as 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, and 30-378 Weatherby Magnum.
- Reported to add 40-100 fps more velocity versus other normal magnum powders.
- Listed as an Extreme Powder for big game hunting under all types of conditions.
- 8 lb package size.
- Hazmat restrictions apply; legality should be checked before purchase.
Best Used For
- Reloaders working with very large overbored magnum cartridges like 7mm Remington Ultra Magnum or 300 Remington Ultra Magnum.
- Big game hunters seeking an Extreme Powder option for varied hunting conditions.
- Shooters loading cartridges such as 30-378 Weatherby Magnum for magnum-specific applications.
- Experienced handloaders who need a powder designed expressly for large, overbored cartridges.
Specifications
| Compatible Cartridges | 7mm Remington Ultra Magnum; 300 Remington Ultra Magnum; 30-378 Weatherby Magnum |
|---|---|
| Designed For | really large overbored cartridges |
| Hazmat Restrictions | This item may be restricted in your state. Please make sure it is legal in your area before purchase. |
| Package Size | 8 lb |
| Powder Classification | Extreme Powder |
| Type | magnum, extruded powder |
| Velocity Increase | 40-100 fps more velocity compared to other normal magnum powders |
Pros
- Designed for very large overbored magnum cartridges like 7mm Remington Ultra Magnum and 300 Remington Ultra Magnum.
- Magnum extruded powder format suits large-capacity cartridge applications.
- Advertised to add 40-100 fps more velocity versus other normal magnum powders.
- Extreme Powder designation supports big game hunting under varied conditions.
- Offered in an 8 lb package for extended loading supply.
Considerations & Trade-offs
- Designed for very large overbored cartridges, so it may not be the right fit for smaller or more standard magnum loads.
- As a hazardous material, purchase and shipment can be subject to hazmat restrictions and state-level legality limits.
- The product is an 8 lb container, which is a larger commitment than smaller package sizes if you are still working up a load or testing compatibility.
- The description ties its use to specific cartridge families, so load development should stay within the intended magnum applications rather than assuming broad versatility.
Suggested Comparisons
- Magnum rifle powder
- Extruded rifle powder
- Reloading powder for overbored cartridges
- Big game hunting powder
Suggested Accessories
- Reloading scale
- Powder funnel
- Reloading press
- Powder measure
Frequently Asked Questions
What cartridges is Hodgdon Retumbo intended for?
It was designed expressly for very large overbored cartridges, including examples such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, and 30-378 Weatherby Magnum.
Is Retumbo suitable for big game hunting use?
The product description identifies Retumbo as an Extreme Powder and says it is intended for big game hunting under all types of conditions.
Does the product description claim any velocity advantage?
Yes. The description states Retumbo adds 40-100 fps more velocity to the listed cartridges compared with other normal magnum powders.
Are there any purchase restrictions to check before ordering?
Yes. The listing notes Hazmat Restrictions and says the item may be restricted in your state, so you should verify it is legal in your area before purchase.
What size is this product?
The product title identifies it as an 8 lb container.